CS201 Final Term Quiz 3 July 2023 Set 2 by Miss Mehwish

Q1. Sometimes after allocating memory, we need additional space. For this purpose, we use:

1. void pointer
2. reallocation function
3. realloc function
4. calloc function

Correct option: c) realloc function

Q2. We cannot use ______________ pointer for storing and reading data from it.

1. zero
2. NULL
3. integer
4. double

Correct option: b) NULL

Q3. What will be the output of the following C++ code?

```cpp #include <iostream> #define max 100

int main()

#ifdef max std::cout << " Hello"; #endif return 0;

a) " Hello" b) " Max is 100" c) Error d) Hello

Correct option: a) " Hello"

Q4. For casting, we normally declare a pointer of type _____________.

1. integer
2. NULL
3. void
4. None of the given

Correct option: c) void

Q5. What is the storage space of the double data type?

1. 4
2. 8
3. 16
4. 32

Correct option: b) 8

Q6. Programmer should be very careful about the memory management because it can _____________.

1. affect the logic of the program
2. cause problems of memory leakage and dangling pointers
3. return void pointers
4. create problems of NULL pointers

Correct option: b) cause problems of memory leakage and dangling pointers

Q7. Structures are syntactically defined with the word _____________.

1. None of the given
2. struc
3. struct
4. structure

Correct option: c) struct

Q8. The `seekp()` function is used to determine the next position to write a character while writing into a file.

1. seekp()
2. seekg()
3. tellp()
4. tellg()

Correct option: c) tellp()

Q9. The heap memory structure ______________.

1. remains constant
2. contains no space
3. is just like the stack